Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner showing my new design;

FIG. 2 is a left side view of a vacuum cleaner according to FIG. 1;

FIG. 3 is a right side view of a vacuum cleaner according to FIG. 1;

FIG. 4 is a top view of a vacuum cleaner according to FIG. 1;

FIG. 5 is a bottom view of a vacuum cleaner according to FIG. 1;

FIG. 6 is a front view of a vacuum cleaner according to FIG. 1; and,

FIG. 7 is a rear view of a vacuum cleaner according to FIG. 1. 

The ornamental design for a vacuum cleaner, as shown and described. 